# 3.4.1 Nava Energy

Nava Energy (NE) is a non-blockchain in-game currency that is intended for use only within Nava gaming products.

#### Ways to purchase:

1. For activity (daily logins to the project, bringing in referrals, earning achievements in the achievement grid).
2. Purchase of NE packs. Only possible if the user has levels in NavaX. NE packs are only available for purchase in fixed quantities (1,000, 5,000, 10,000, etc.).
3. Winning games. Each game allows the player to win varying amounts of NE. However, it sometimes requires spending NE (unless it is a free ticket/key).
4. Achievements unlocked. The achievements system allows users to compete and motivate themselves more, as by completing achievement lines (the achievements system is a 5x5 grid), users receive additional NE bonuses.

#### Application:

* [x] Global leaderboard. Whoever has more NE is higher up. The top spots on the leaderboard receive rewards in NavaCoin (which will be distributed from a specially allocated fund). 
* [x] Access to games. Participation in games requires NE. 
* [x] &#x20;Avatar upgrade. The avatar system involves spending NE to improve performance in games by leveling up your avatar. <br>


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